[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5275) Criteria.setLockMode does not work correctly

[Steve Ebersole (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44958#comment-44958 ] 

Steve Ebersole commented on HHH-5275:
-------------------------------------

Graeme, just to clarify, we also cannot address "alias specific lock mode" in 4.0.1 either for the same reasons.  That would need to wait for 4.1.  I guess what I am saying is that for 4.0.1/3.6.whatever-the-hell-we-are-up-to-now we could address that "FOR UPDATE" or whatever actually gets applied.

> Criteria.setLockMode does not work correctly
> --------------------------------------------
>
>                 Key: HHH-5275
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5275
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.5.2, 3.5.3
>         Environment: Hibernate 3.5.2, Oracle 10 (using org.hibernate.dialect.Oracle10gDialect
>            Reporter: Björn Moritz
>            Assignee: Steve Ebersole
>            Priority: Minor
>             Fix For: 4.0.1
>
>         Attachments: AnotherOracle10gDialect.java, My_Oracle10Dialect.java, My_Oracle10Dialect.java, TestCase.zip
>
>          Time Spent: 2h 19m
>
> The LockMode set via Criteria.setLockMode does not generate a ' for update' SQL statement. In the org.hibernate.dialect.Dialect class only the LockOptions are used for determining a possible addition to the SQL statement if using pessimistic locking. This behaviour is different from Hibernate 3.1.3.
> In the supplied TestCase two threads are reading the same database record; one of those threads should use pessimistic locking thereby blocking the other thread. But both threads can read the database record causing the test to fail.

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